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Finding the Fourth Proportional to 484,108.77, 725,498.83 and 306,297.47

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Solution

The fourth proportional to 484,108.77, 725,498.83 and 306,297.47 is: 459,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,108.77 : 725,498.83 = 306,297.47 : x
  2. Step 2: Convert to fraction form
    484,108.77/725,498.83 = 306,297.47/x
  3. Step 3: Cross multiply
    484,108.77x = 725,498.83 × 306,297.47
  4. Step 4: Simplify right side
    484,108.77x = 222,218,452,509.73
  5. Step 5: Solve for x
    x = 222,218,452,509.73/484,108.77
  6. Step 6: Final answer
    x = 459,025.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.